Table 1.

Effect of Bacillus subtilis GM5 supplementation on the growth performance in broiler chickens

Parametrs	Day	Treatment		P value P vs. C
		C (mean ± SD)	P (mean ± SD)
Body weight (kg)	10	0.275 ± 0.005	0.311 ± 0.006	n.s
	20	0.603 ± 0.024	0.695 ± 0.039	****
	42	2.135 ± 0.085	2.412 ± 0.106	****
Feed intake (kg)	10	0.333 ± 0.007	0.389 ± 0.007	n.s
	20	1.186 ± 0.051	1.471 ± 0.088	****
	42	4.349 ± 0.176	4.837 ± 0.216	****
Feed conversion ratio	1–42	2.08	2.05
Daily weight gain (g)	42	49.71 ± 2.02	56.30 ± 2.52	**
European productivity index (g)	42	244.43 ± 9.71	280.14 ± 12.25	****

n.s. ** and **** correspond to not significant, significant (P < 0.05) and highly significant (P < 0.0001), respectively